Sharp SM-SX100 Service Manual page 33

R845
R834
R833
120 R835 100
120
120
C825
44 43 42 41 40 39 38 37 36 35 34
22P
3
0V
1
DI VSS
0V
2
2.5V
3
BCKI RSTN
2.5V
4
IC806
2.5V
5 LRCI TST2N
SM5844AF
2.5V
6 ICLK TST1N
SAMPLING RATE
0V
7 ICKSL STATE
CONVERTER
4.8V 8
IISN
IFM1
4.8V 9
10
IFM2 OW20N
11
12 13 14 15 16 17 18 19 20 21 22
C826
0.1
+B
C862
47/10
+B
+B
R837 C831
0.1
10K
C863
47/10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
R844
R843
100
100
C836 C837
34
0.1
P 0.1
C838
47/10
C835
0.1
+B
+B
+B
+B
L832
C884
0.22
+B
+B +B
5V 5V
14 10 9 8 12 13 11 14 12 13 11 10 9
IC808
4 5 6 2 1 3 7 2 1 3 4 5 6 7
0V
7
DIGITAL PWB-A2
0V
33
0V
32
RSTN/POR
5V
31
30
29
28
27
0V
26
0V
25
0V
24
0V
23
+B
RSTN/POR
+B
C832
0.1
Q803
2SC2412KR
5V
3.5V
IC814
NJM431U
REGULATOR
22
3
R871 4.1V
R842
1K
2
100K
C841
20P(CH)
C839
0.01
+B
R854
100
14 4 5 6 2 1 3
12 13 11 10 9 8 7
0V
5V
R892
680
L831
8 7 6 5
8
IC821
TC7W04F
INVERTER
1 2 3 4
0V
C883
0.22
8 9
Figure 33 SCHEMATIC DIAGRAM (7/9)
D651
DA119
Q651
2SC2412KR
R651
15K
R653 C651
15K 33/50
R655
10K
D652
DA119
Q652
2SC2412KR
R660
4.7K
R652
15K
MAIN-A
A
L+
3
R654 C652
L–
15K 33/50
4
R656
R+
10K
6
R–
5
+15V
B
–15V
C
–32V
E
+32V
D
C888
0.022
L835
47µH
4
3
2
1
C886
0.33
L834A
L834B
47µH
C875
0.0015
C857
R872
0.001
390
1
2.5V
R873
1K
R850
R849 100
100
IC812
WAVEFORM
RECTIFICATION
R856
C853
1K
2.2
3.5V
14 13 12 11 10 9 8
C854
2.2 R864
47K
R863
47K
1 2 3 4 5 6 7
0V
R857
1K
R860 C855
2.2
1K
3.5V
14 13 12 11 10 9 8
C856
2.2
R866
R865 47K
47K
1 2 3 4 5 6 7
0V
R861
1K
IC813
WAVEFORM
RECTIFICATION
10
– 33 –
SM-SX100
MAIN PWB-A1(3/3)
–15V
–B
C654
0.01
R661
10K
4
3
+
IC651
1
– 2
NJM4558M
MOTOR DRIVER
+ 5
7
–
6
8
R659
C653
47K
47/50
C655
0.01
–B
+B
+15V
+B
–B
–B
+B
SOC801
µCOM DATA_IN
1BIT 13
TERMINAL
µCOM GND
12
µCOM STB
11
12
µCOM DATA_OUT
10
8
µCOM CLK
11 9
7 13 8 GND (for 64fs)
10 7 NC
6 GND (for DINL)
6
5 GND (for DINR)
9
4 64fs IN
5
3 NC
2 SACD DINL
1 SACD DINR
C885
0.33
L833
47µH CNP807
5
DATA_IN
4
DATA_OUT
P27 1 - E
3
IC_CLK
2 TO SYSTEM
IC_STB
MICROCOMPUTER
1
D.GND
CNW810
TO CHASSIS
GND
D803
1SS133
+B
+B
CNP808
R881
5.6K
RLY801
R883
5.6K
R884
5.6K
R882
D804 5.6K
1SS133
+B
+B
5V 5V
0V 0V
0V 0V
RLY802
R868 R867
1K 1K
R869
2.7K
R870
100K C852
0.1
+B
11
+32V
+B
R657
22K
R658
22K
–32V
–B
+B
CNS902
PWB
1 positive
Lch
2
negative
P28 5 - A
3
GND
CNS108
4
GND
TO MAIN PWB
5 negative
Rch
6 positive
12